Finite Group Databasebeta
Cayley diagram

#20620

order256
nilpotency class3
isoclinismisoclinic class of #3019
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4C2×#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC2C2×#379
prime radicalC2×#585C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1824 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 32 points:

(1,2,6,11,7,10,5,18)(3,12,14,8,15,23,19,22)(4,9,16,26,17,24,20,25)(13,28,31,32,30,27,29,21);(1,3)(2,8)(4,13)(5,19)(6,14)(7,15)(9,21)(10,22)(11,23)(12,18)(16,31)(17,30)(20,29)(24,32)(25,27)(26,28);(1,4)(2,9)(3,13)(5,20)(6,16)(7,17)(8,21)(10,24)(11,26)(12,27)(14,31)(15,30)(18,25)(19,29)(22,32)(23,28);(2,10)(8,22)(9,24)(11,18)(12,23)(21,32)(25,26)(27,28)

Polycyclic presentation:

2^8|a^2=g,e^2=h,g^2=h,b^a=be,c^a=cf,d^a=dh,e^a=eh,e^b=eh,f^b=fh,e^c=eh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147753, #147754, #147758, …
maximal normal subgroup of#147753, #147754, #147758, …
maximal quotient of#184930, #184931, #184932, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13608);